|Year|Division|League|Reg. Season|Playoffs|Open Cup|
|---|---|---|---|---|---|
|1998|3|USISL D-3 Pro League|3rd, Northeast|Division Semifinals|2nd Round|
|1999|3|USL D-3 Pro League|1st, Northern|Champion|Did not qualify|
|2000|3|USL D-3 Pro League|5th, Northern|Conference Finals|Did not qualify|
|2001|3|USL D-3 Pro League|7th, Northern|Did not qualify|Did not qualify|
|2002|3|USL D-3 Pro League|1st, Northern|Quarterfinals|Did not qualify|
|2003|3|USL Pro Select League|3rd, Northern|Did not qualify|Did not qualify|
|2004|3|USL Pro Soccer League|3rd, Northern|Did not qualify|2nd Round|
|2005|3|USL Second Division|1st|Final|3rd Round|
|2006|3|USL Second Division|6th|Did not qualify|Did not qualify|
|2007|3|USL Second Division|6th|Did not qualify|2nd Round|
|2008|3|USL Second Division|6th|Quarterfinals|2nd Round|
|2009|3|USL Second Division|7th|Did not qualify|2nd Round|
|2010|4|USL PDL|6th, Northeast|Did not qualify|Did not qualify|
|2011|4|USL PDL|3rd, Northeast|Did not qualify|1st Round|
|2012|4|USL PDL|3rd, Northeast|Did not qualify|Did not qualify|
|2013|4|USL PDL|4th, Northeast|Did not qualify|Did not qualify|

Question: what is the total amount of usl pdl leagues?
Answer: 4